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Protocol lib error

12imix34

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12imix34 Lurker

12imix34

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What im trying to do is show a certain block mining stage with skript
I've already tried SkJade but it didnt work

So im trying to use Skacket, so I installed ProtocolLib on my server, because Skacket requires it to run, but it doesn't let me join and it crashes the server

The error message i get when i join is:  

java.io.IOException: Unexpectedly disconnected from remote server



Here is my console logs (i couldn't get the full one)
  

	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib (2).jar:?]
	at net.minecraft.network.Connection.sendPacket(Connection.java:442) ~[?:?]
	at net.minecraft.network.Connection.send(Connection.java:385) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2160) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
[22:18:59 WARN]: [ProtocolLib] [NettyChannelInjector] Unable to send packet PacketPlayOutEntityMetadata[id=35, packedItems=[b[id=2, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@250998ee, value=Optional[empty[style={}, siblings=[literal{Mining Simulator}[style={color=yellow,bold,!italic,!underlined,!strikethrough,!obfuscated}]]]]], b[id=3, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@4d84064b, value=true]]] to 12Imix34
java.lang.IllegalStateException: Unable to invoke method public void net.minecraft.server.network.PlayerConnection.a(net.minecraft.network.protocol.Packet)
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:25) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendServerPacket(NettyChannelInjector.java:285) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:547) ~[ProtocolLib (2).jar:?]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-550]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ReportedException: Sending packet
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2168) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
Caused by: java.lang.NullPointerException: type cannot be null
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.1-jre.jar:?]
	at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib (2).jar:?]
	at net.minecraft.network.Connection.sendPacket(Connection.java:442) ~[?:?]
	at net.minecraft.network.Connection.send(Connection.java:385) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2160) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
[22:18:59 WARN]: [ProtocolLib] [NettyChannelInjector] Unable to send packet PacketPlayOutEntityMetadata[id=37, packedItems=[b[id=0, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@3a9f415a, value=32], b[id=15, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@3a9f415a, value=25]]] to 12Imix34
java.lang.IllegalStateException: Unable to invoke method public void net.minecraft.server.network.PlayerConnection.a(net.minecraft.network.protocol.Packet)
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:25) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendServerPacket(NettyChannelInjector.java:285) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:547) ~[ProtocolLib (2).jar:?]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-550]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ReportedException: Sending packet
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2168) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
Caused by: java.lang.NullPointerException: type cannot be null
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.1-jre.jar:?]
	at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib (2).jar:?]
	at net.minecraft.network.Connection.sendPacket(Connection.java:442) ~[?:?]
	at net.minecraft.network.Connection.send(Connection.java:385) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2160) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
[22:18:59 WARN]: [ProtocolLib] [NettyChannelInjector] Unable to send packet PacketPlayOutEntityMetadata[id=83, packedItems=[b[id=0, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@3a9f415a, value=32], b[id=2, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@250998ee, value=Optional[empty[siblings=[literal{> }[style={color=gray,bold,!italic,!underlined,!strikethrough,!obfuscated}], literal{Sell Here }[style={color=gold,!bold,!italic}], literal{<}[style={color=gray,bold,!italic}]]]]], b[id=9, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@16b7954e, value=20.0], b[id=3, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@4d84064b, value=true]]] to 12Imix34
java.lang.IllegalStateException: Unable to invoke method public void net.minecraft.server.network.PlayerConnection.a(net.minecraft.network.protocol.Packet)
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:25) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendServerPacket(NettyChannelInjector.java:285) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:547) ~[ProtocolLib (2).jar:?]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-550]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ReportedException: Sending packet
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2168) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
Caused by: java.lang.NullPointerException: type cannot be null
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.1-jre.jar:?]
	at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib (2).jar:?]
	at net.minecraft.network.Connection.sendPacket(Connection.java:442) ~[?:?]
	at net.minecraft.network.Connection.send(Connection.java:385) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2160) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
[22:18:59 WARN]: [ProtocolLib] [NettyChannelInjector] Unable to send packet PacketPlayOutEntityMetadata[id=37, packedItems=[b[id=2, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@250998ee, value=Optional[empty[style={}, siblings=[literal{ ? }[style={color=gray,!bold,!italic,!underlined,!strikethrough,!obfuscated}], literal{Run /tutorial for the tutorial}[style={color=white,!italic}]]]]], b[id=3, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@4d84064b, value=true]]] to 12Imix34
java.lang.IllegalStateException: Unable to invoke method public void net.minecraft.server.network.PlayerConnection.a(net.minecraft.network.protocol.Packet)
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:25) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendServerPacket(NettyChannelInjector.java:285) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:547) ~[ProtocolLib (2).jar:?]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-550]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ReportedException: Sending packet
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2168) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
Caused by: java.lang.NullPointerException: type cannot be null
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.1-jre.jar:?]
	at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib (2).jar:?]
	at net.minecraft.network.Connection.sendPacket(Connection.java:442) ~[?:?]
	at net.minecraft.network.Connection.send(Connection.java:385) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2160) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
[22:18:59 WARN]: [ProtocolLib] [NettyChannelInjector] Unable to send packet PacketPlayOutEntityMetadata[id=84, packedItems=[b[id=9, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@16b7954e, value=20.0], b[id=17, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@3a9f415a, value=127]]] to 12Imix34
java.lang.IllegalStateException: Unable to invoke method public void net.minecraft.server.network.PlayerConnection.a(net.minecraft.network.protocol.Packet)
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:25) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendServerPacket(NettyChannelInjector.java:285) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:547) ~[ProtocolLib (2).jar:?]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-550]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ReportedException: Sending packet
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2168) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
Caused by: java.lang.NullPointerException: type cannot be null
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.1-jre.jar:?]
	at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252) ~[ProtocolLib (2).jar:?]
	at net.minecraft.network.Connection.sendPacket(Connection.java:442) ~[?:?]
	at net.minecraft.network.Connection.send(Connection.java:385) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2160) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
[22:18:59 WARN]: [ProtocolLib] [NettyChannelInjector] Unable to send packet PacketPlayOutEntityMetadata[id=86, packedItems=[b[id=0, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@3a9f415a, value=32], b[id=2, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@250998ee, value=Optional[empty[siblings=[literal{>}[style={color=gray,bold,!italic,!underlined,!strikethrough,!obfuscated}], literal{ }[style={!bold,!italic}], literal{Shop }[style={color=aqua,!italic}], literal{<}[style={color=gray,bold,!italic}]]]]], b[id=9, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@16b7954e, value=20.0], b[id=3, serializer=net.minecraft.network.syncher.DataWatcherSerializer$1@4d84064b, value=true]]] to 12Imix34
java.lang.IllegalStateException: Unable to invoke method public void net.minecraft.server.network.PlayerConnection.a(net.minecraft.network.protocol.Packet)
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:25) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.sendServerPacket(NettyChannelInjector.java:285) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.lambda$processOutbound$6(NettyChannelInjector.java:547) ~[ProtocolLib (2).jar:?]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-550]
	at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-550]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-550]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ReportedException: Sending packet
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2168) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:2146) ~[?:?]
	at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:23) ~[ProtocolLib (2).jar:?]
	... 10 more
Caused by: java.lang.NullPointerException: type cannot be null
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:907) ~[guava-31.1-jre.jar:?]
	at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib (2).jar:?]
	at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib (2).jar:?]
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4 answers to this question

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rosabel Active

rosabel

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I would recommend checking to make sure both Protocolib and Skracket are updated to the latest version your server is on, if not, they may be abandoned and not work properly on newer versions.

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3TSV Newbie

3TSV

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I think I used to have this error before. I just tried reinstalling with but with the latest version. Maybe try downloading it from Spigot or something.

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12imix34 Lurker

12imix34

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Posted (edited)

im also getting this error 

[21:05:54 ERROR]: [ModernPluginLoadingStrategy] Ambiguous plugin name 'Skacket' for files 'plugins/Skacket-1.1.0 (1).jar' and 'plugins/Skacket-1.1.0.jar' in 'plugins'

and this warning 

[21:06:12 WARN]: Can't keep up! Is the server overloaded? Running 5118ms or 102 ticks behind

i tried downloading a different version and it worked, my server isnt crashing, but i still get the two other console messages

Edited by 12imix34
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Pigeuon Newbie

Pigeuon

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this line: 
  

[21:06:12 WARN]: Can't keep up! Is the server overloaded? Running 5118ms or 102 ticks behind

Normal server ram messages, get used to it after a while so dont worry about that

  

[21:05:54 ERROR]: [ModernPluginLoadingStrategy] Ambiguous plugin name 'Skacket' for files 'plugins/Skacket-1.1.0 (1).jar' and 'plugins/Skacket-1.1.0.jar' in 'plugins'

this means that you have the same plugin twice in the plugins folder and can mess up which version it selects...

Update protocollib to your server version or a version of protocollib version that is compatible with your server version and update any other plugins that are dependencies or interact with protocollib in order to ensure no issues arise. 

if you wanted to know what the error means: you are unable to send packets using protocollib methods meaning the api could be messed up and have mismatched versions and compatibility

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